Home / 27,723.18-38,258-15,147.94

Finding the Fourth Proportional to 27,723.18, 38,258 and 15,147.94

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Solution

The fourth proportional to 27,723.18, 38,258 and 15,147.94 is: 20,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.18 : 38,258 = 15,147.94 : x
  2. Step 2: Convert to fraction form
    27,723.18/38,258 = 15,147.94/x
  3. Step 3: Cross multiply
    27,723.18x = 38,258 × 15,147.94
  4. Step 4: Simplify right side
    27,723.18x = 579,529,888.52
  5. Step 5: Solve for x
    x = 579,529,888.52/27,723.18
  6. Step 6: Final answer
    x = 20,904.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.